Home / 8,936.32-12,332.13-4,958.05

Finding the Fourth Proportional to 8,936.32, 12,332.13 and 4,958.05

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Solution

The fourth proportional to 8,936.32, 12,332.13 and 4,958.05 is: 6,842.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.32 : 12,332.13 = 4,958.05 : x
  2. Step 2: Convert to fraction form
    8,936.32/12,332.13 = 4,958.05/x
  3. Step 3: Cross multiply
    8,936.32x = 12,332.13 × 4,958.05
  4. Step 4: Simplify right side
    8,936.32x = 61,143,230.70
  5. Step 5: Solve for x
    x = 61,143,230.70/8,936.32
  6. Step 6: Final answer
    x = 6,842.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.